html, body, #root{
    display: block;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden; 
}
p{
    padding: 0;
    margin: 0;
}
.box, .ant-row-flex{
    height: 100%;
}

.login-title{
    font-size: 1.5em;
    font-weight: bolder;
    margin: 1em 0;
}
.login-form .ant-input , .login-form .ant-btn{
    width: 80%;
}
.register-form-user{
    display: flex;
}
.nav{
    width: 100%;
    height: 100%;
    padding: 3em 0 0 1em;
    background:  #eee ;
}

.nav .ant-row{
    margin-bottom: 2em;
}
.icon{
    display: inline-block;
    background: url("../images/icons.png") no-repeat;
}
.add-img{
    height:32px;width:32px;background-position: 0 -224px
}
.add-img:hover{
    height:32px;width:32px;background-position: 0 -192px;
}

.search-img{
    height:32px;width:32px;background-position: 0 -32px;
}
.search-img:hover{
    height:32px;width:32px;background-position: 0 0;
}

.biji-img{
    height:32px;width:32px;background-position: 0 -160px;
}
.biji-img:hover{
    height:32px;width:32px;background-position: 0 -128px;
}

.book-img{
    height:32px;width:32px;background-position: 0 -288px;
}
.book-img:hover{
    height:32px;width:32px;background-position: 0 -256px
}

.trash-img{
    height:32px;width:32px;background-position: 0 -96px;
}
.trash-img:hover{
    height:32px;width:32px;background-position: 0 -64px;
}

.tag-img{
    height:32px;width:32px;background-position: 0 -480px
}
.tag-img:hover{
    height:32px;width:32px;background-position: 0 -448px;
}

.circle-img{
    height:32px;width:32px;background-position: 0 -416px;
}
.circle-img:hover{
    height:32px;width:32px;background-position: 0 -384px;
}

.user-img{
    height:32px;width:32px;background-position: 0 -320px;
}
.user-img:hover{
    height:32px;width:32px;background-position: 0 -352px;
}

.menu{
    display: block;
    border-right: 1px solid #eee;
    height: 100%;
    padding: 2em 0;
}
.biji-menu-title{
    padding: 0 2em;
}
.biji-menu-title p{
    font-size: 1.7em;
    color: #666;
    letter-spacing: 2px;
}
.biji-menu-desc{
    display: flex;
    justify-content: space-between;
}
.biji-menu-desc span{
    color: #999;
    font-size: 1em;
    letter-spacing: 1px;
    margin: auto 0;
}
.biji-menu-desc .ant-btn{
    padding: 0 5px;
}
.underline{
    border: 2px solid #eee;
    margin: 0.5em 0;
}
.biji-menu-list{
    padding: 1em 2em;
    border-bottom: 1px solid #eee;
    height: 120px;
}
.biji-menu-list .biji-list-title{
    display: flex;
    justify-content: space-between;
    line-height: 2em;
}
.biji-menu-list .biji-list-title .title{
    font-size: 1.3em;
    color: #666;
    width: 190px;
    overflow: hidden;
    white-space: nowrap;
}
.biji-menu-list .biji-list-title .time{
    color: #999;
}
.biji-list-desc{
    margin-top: 0.2em;
    color: #999;
    display: -webkit-box;  
    display: -moz-box;  
    overflow: hidden;  
    text-overflow: ellipsis;  
    word-break: break-all;  
    -webkit-box-orient: vertical;  
    -webkit-line-clamp:3;  
}
.menu-list{
    display: block;
    overflow-y: scroll;
    height: 800px;
}
.book-menu-title{
    display: flex;
    justify-content: space-between;
    font-size: 1.7em;
    color: #666;
    letter-spacing: 2px; 
    margin: 0 1em; 
}
.search-book-input{
    margin: 1em;
}
.search-book-input input{
    padding: 1em 0;
}
.book-list-title{
    color: #999;
    word-spacing: 2px; 
    border-bottom: 1px solid #eee;
    padding: 1em;
}
.book-list{
    padding: 1em 2em;
    border: 1px solid #eee;
}
.book-list .title{
    color: #666;
    font-size: 1.3em;
}
.book-list .count{
    color: #999;
}
.add-book-box{
    margin: 10em auto;
}
.add-book-box p{
    text-align: center;
    font-size: 1.5em;
    color: #666;
    word-spacing: 2px;
}
.add-book-box form{
    margin: 1em auto;
    text-align: center;
}
.add-book-box form input{
    width:500px;
}

.add-book-box form button{
    width: 230px;
    height: 2.5em;
    text-align: center;
}
.cancel-button{
    margin-right: 2em;
}